<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    body{
      overflow: hidden;
    }
    section{
      width:700px;
      height:700px;
      background-color: #00f;
      border:5px solid #000;
      border-radius:50%;
      margin:100px auto;
    }
    div{
      background-color: #00f;
      border:5px solid #000;
      border-radius:50%;
      margin: 95px;
    }
    .box1{
      width:500px;
      height:500px;
      
    }
    .box2{
      width:300px;
      height:300px; 
    }
    .box3{
      width:100px;
      height:100px; 
      background-color: red;
    }
  </style>
</head>
<body>
  <section>
    <div class="box1">
      <div class="box2">
        <div class="box3">
          
        </div>
      </div>
    </div>
  </section>
</body>
</html>